39681520

素因数分解:

$2^4\times 5^1\times {\mathrm{496019}}^1$

素因数の和:496032

約数の個数: 20

約数和(自身を含む): 92259720

約数和(自身を除く): 52578200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 496019, 992038, 1984076, 2480095, 3968152, 4960190, 7936304, 9920380, 19840760, 39681520]

約数ペア:

[(1, 39681520), (2, 19840760), (4, 9920380), (5, 7936304), (8, 4960190), (10, 3968152), (16, 2480095), (20, 1984076), (40, 992038), (80, 496019)]